auditordb postgres plugin: auditor_progress implementation + tests

3 files changed, 420 insertions, 125 deletions

diff --git a/src/auditordb/plugin_auditordb_postgres.c b/src/auditordb/plugin_auditordb_postgres.c
index 527cc80e2..81c1b4369 100644
--- a/src/auditordb/plugin_auditordb_postgres.c
+++ b/src/auditordb/plugin_auditordb_postgres.c
@@ -17,9 +17,8 @@
 /**
  * @file plugin_auditordb_postgres.c
  * @brief Low-level (statement-level) Postgres database access for the auditor
- * @author Florian Dold
  * @author Christian Grothoff
- * @author Sree Harsha Totakura
+ * @author Gabor X Toth
  */
 #include "platform.h"
 #include "taler_pq_lib.h"
@@ -564,6 +563,44 @@ postgres_prepare (PGconn *db_conn)
            " WHERE master_pub=$1;",
            1, NULL);
 
+  /* Used in #postgres_insert_auditor_progress() */
+  PREPARE ("auditor_progress_insert",
+           "INSERT INTO auditor_progress "
+	   "(master_pub"
+	   ",last_reserve_in_serial_id"
+           ",last_reserve_out_serial_id"
+	   ",last_deposit_serial_id"
+           ",last_melt_serial_id"
+	   ",last_refund_serial_id"
+	   ",last_prewire_serial_id"
+           ") VALUES ($1,$2,$3,$4,$5,$6,$7);",
+           7, NULL);
+
+  /* Used in #postgres_update_auditor_progress() */
+  PREPARE ("auditor_progress_update",
+           "UPDATE auditor_progress SET "
+	   " last_reserve_in_serial_id=$1"
+           ",last_reserve_out_serial_id=$2"
+	   ",last_deposit_serial_id=$3"
+           ",last_melt_serial_id=$4"
+	   ",last_refund_serial_id=$5"
+	   ",last_prewire_serial_id=$6"
+           " WHERE master_pub=$7",
+           7, NULL);
+
+  /* Used in #postgres_get_auditor_progress() */
+  PREPARE ("auditor_progress_select",
+           "SELECT"
+	   " last_reserve_in_serial_id"
+           ",last_reserve_out_serial_id"
+	   ",last_deposit_serial_id"
+           ",last_melt_serial_id"
+	   ",last_refund_serial_id"
+	   ",last_prewire_serial_id"
+           " FROM auditor_progress"
+           " WHERE master_pub=$1;",
+           1, NULL);
+
   /* Used in #postgres_insert_reserve_info() */
   PREPARE ("auditor_reserves_insert",
            "INSERT INTO auditor_reserves "
@@ -1288,6 +1325,196 @@ postgres_select_denomination_info (void *cls,
 
 
 /**
+ * Insert information about the auditor's progress with an exchange's
+ * data.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param session connection to use
+ * @param master_pub master key of the exchange
+ * @param last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
+ * @param last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
+ * @param last_deposit_serial_id serial ID of the last deposit the auditor processed
+ * @param last_melt_serial_id serial ID of the last refresh the auditor processed
+ * @param last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
+ * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+ */
+int
+postgres_insert_auditor_progress (void *cls,
+                                  struct TALER_AUDITORDB_Session *session,
+                                  const struct TALER_MasterPublicKeyP *master_pub,
+                                  uint64_t last_reserve_in_serial_id,
+                                  uint64_t last_reserve_out_serial_id,
+                                  uint64_t last_deposit_serial_id,
+                                  uint64_t last_melt_serial_id,
+                                  uint64_t last_refund_serial_id,
+                                  uint64_t last_prewire_serial_id)
+{
+  PGresult *result;
+  int ret;
+
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_auto_from_type (master_pub),
+
+    GNUNET_PQ_query_param_uint64 (&last_reserve_in_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_reserve_out_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_deposit_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_melt_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_refund_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_prewire_serial_id),
+
+    GNUNET_PQ_query_param_end
+  };
+
+  result = GNUNET_PQ_exec_prepared (session->conn,
+                                   "auditor_progress_insert",
+                                   params);
+  if (PGRES_COMMAND_OK != PQresultStatus (result))
+  {
+    ret = GNUNET_SYSERR;
+    BREAK_DB_ERR (result);
+  }
+  else
+  {
+    ret = GNUNET_OK;
+  }
+  PQclear (result);
+  return ret;
+}
+
+
+/**
+ * Update information about the progress of the auditor.  There
+ * must be an existing record for the exchange.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param session connection to use
+ * @param master_pub master key of the exchange
+ * @param last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
+ * @param last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
+ * @param last_deposit_serial_id serial ID of the last deposit the auditor processed
+ * @param last_melt_serial_id serial ID of the last refresh the auditor processed
+ * @param last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
+ * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+ */
+int
+postgres_update_auditor_progress (void *cls,
+                                  struct TALER_AUDITORDB_Session *session,
+                                  const struct TALER_MasterPublicKeyP *master_pub,
+                                  uint64_t last_reserve_in_serial_id,
+                                  uint64_t last_reserve_out_serial_id,
+                                  uint64_t last_deposit_serial_id,
+                                  uint64_t last_melt_serial_id,
+                                  uint64_t last_refund_serial_id,
+                                  uint64_t last_prewire_serial_id)
+{
+  PGresult *result;
+  int ret;
+
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_uint64 (&last_reserve_in_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_reserve_out_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_deposit_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_melt_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_refund_serial_id),
+    GNUNET_PQ_query_param_uint64 (&last_prewire_serial_id),
+
+    GNUNET_PQ_query_param_auto_from_type (master_pub),
+
+    GNUNET_PQ_query_param_end
+  };
+
+  result = GNUNET_PQ_exec_prepared (session->conn,
+                                   "auditor_progress_update",
+                                   params);
+  if (PGRES_COMMAND_OK != PQresultStatus (result))
+  {
+    ret = GNUNET_SYSERR;
+    BREAK_DB_ERR (result);
+  }
+  else
+  {
+    ret = GNUNET_OK;
+  }
+  PQclear (result);
+  return ret;
+}
+
+
+/**
+ * Get information about the progress of the auditor.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param session connection to use
+ * @param master_pub master key of the exchange
+ * @param[out] last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
+ * @param[out] last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
+ * @param[out] last_deposit_serial_id serial ID of the last deposit the auditor processed
+ * @param[out] last_melt_serial_id serial ID of the last refresh the auditor processed
+ * @param[out] last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
+ * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure;
+ *         #GNUNET_NO if we have no records for the @a master_pub
+ */
+int
+postgres_get_auditor_progress (void *cls,
+                               struct TALER_AUDITORDB_Session *session,
+                               const struct TALER_MasterPublicKeyP *master_pub,
+                               uint64_t *last_reserve_in_serial_id,
+                               uint64_t *last_reserve_out_serial_id,
+                               uint64_t *last_deposit_serial_id,
+                               uint64_t *last_melt_serial_id,
+                               uint64_t *last_refund_serial_id,
+                               uint64_t *last_prewire_serial_id)
+{
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_auto_from_type (master_pub),
+
+    GNUNET_PQ_query_param_end
+  };
+  PGresult *result;
+  result = GNUNET_PQ_exec_prepared (session->conn,
+                                    "auditor_progress_select",
+                                    params);
+  if (PGRES_TUPLES_OK !=
+      PQresultStatus (result))
+  {
+    BREAK_DB_ERR (result);
+    PQclear (result);
+    return GNUNET_SYSERR;
+  }
+
+  int nrows = PQntuples (result);
+  if (0 == nrows)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "postgres_get_auditor_progress() returned 0 matching rows\n");
+    PQclear (result);
+    return GNUNET_NO;
+  }
+  GNUNET_assert (1 == nrows);
+
+  struct GNUNET_PQ_ResultSpec rs[] = {
+    GNUNET_PQ_result_spec_uint64 ("last_reserve_in_serial_id", last_reserve_in_serial_id),
+    GNUNET_PQ_result_spec_uint64 ("last_reserve_out_serial_id", last_reserve_out_serial_id),
+    GNUNET_PQ_result_spec_uint64 ("last_deposit_serial_id", last_deposit_serial_id),
+    GNUNET_PQ_result_spec_uint64 ("last_melt_serial_id", last_melt_serial_id),
+    GNUNET_PQ_result_spec_uint64 ("last_refund_serial_id", last_refund_serial_id),
+    GNUNET_PQ_result_spec_uint64 ("last_prewire_serial_id", last_prewire_serial_id),
+
+    GNUNET_PQ_result_spec_end
+  };
+  if (GNUNET_OK !=
+      GNUNET_PQ_extract_result (result, rs, 0))
+  {
+    GNUNET_break (0);
+    PQclear (result);
+    return GNUNET_SYSERR;
+  }
+  PQclear (result);
+  return GNUNET_OK;
+}
+
+
+/**
  * Insert information about a reserve.  There must not be an
  * existing record for the reserve.
  *
@@ -2875,32 +3102,46 @@ libtaler_plugin_auditordb_postgres_init (void *cls)
   plugin->commit = &postgres_commit;
   plugin->rollback = &postgres_rollback;
   plugin->gc = &postgres_gc;
-  plugin->get_predicted_balance = &postgres_get_predicted_balance;
-  plugin->update_predicted_result = &postgres_update_predicted_result;
-  plugin->insert_predicted_result = &postgres_insert_predicted_result;
-  plugin->select_historic_reserve_revenue = &postgres_select_historic_reserve_revenue;
-  plugin->insert_historic_reserve_revenue = &postgres_insert_historic_reserve_revenue;
-  plugin->select_historic_losses = &postgres_select_historic_losses;
-  plugin->insert_historic_losses = &postgres_insert_historic_losses;
-  plugin->select_historic_denom_revenue = &postgres_select_historic_denom_revenue;
-  plugin->insert_historic_denom_revenue = &postgres_insert_historic_denom_revenue;
-  plugin->get_risk_summary = &postgres_get_risk_summary;
-  plugin->update_risk_summary = &postgres_update_risk_summary;
-  plugin->insert_risk_summary = &postgres_insert_risk_summary;
-  plugin->get_denomination_summary = &postgres_get_denomination_summary;
-  plugin->update_denomination_summary = &postgres_update_denomination_summary;
-  plugin->insert_denomination_summary = &postgres_insert_denomination_summary;
-  plugin->get_denomination_balance = &postgres_get_denomination_balance;
-  plugin->update_denomination_balance = &postgres_update_denomination_balance;
-  plugin->insert_denomination_balance = &postgres_insert_denomination_balance;
-  plugin->get_reserve_summary = &postgres_get_reserve_summary;
-  plugin->update_reserve_summary = &postgres_update_reserve_summary;
-  plugin->insert_reserve_summary = &postgres_insert_reserve_summary;
+
+  plugin->select_denomination_info = &postgres_select_denomination_info;
+  plugin->insert_denomination_info = &postgres_insert_denomination_info;
+
+  plugin->get_auditor_progress = &postgres_get_auditor_progress;
+  plugin->update_auditor_progress = &postgres_update_auditor_progress;
+  plugin->insert_auditor_progress = &postgres_insert_auditor_progress;
+
   plugin->get_reserve_info = &postgres_get_reserve_info;
   plugin->update_reserve_info = &postgres_update_reserve_info;
   plugin->insert_reserve_info = &postgres_insert_reserve_info;
-  plugin->select_denomination_info = &postgres_select_denomination_info;
-  plugin->insert_denomination_info = &postgres_insert_denomination_info;
+
+  plugin->get_reserve_summary = &postgres_get_reserve_summary;
+  plugin->update_reserve_summary = &postgres_update_reserve_summary;
+  plugin->insert_reserve_summary = &postgres_insert_reserve_summary;
+
+  plugin->get_denomination_balance = &postgres_get_denomination_balance;
+  plugin->update_denomination_balance = &postgres_update_denomination_balance;
+  plugin->insert_denomination_balance = &postgres_insert_denomination_balance;
+
+  plugin->get_denomination_summary = &postgres_get_denomination_summary;
+  plugin->update_denomination_summary = &postgres_update_denomination_summary;
+  plugin->insert_denomination_summary = &postgres_insert_denomination_summary;
+
+  plugin->get_risk_summary = &postgres_get_risk_summary;
+  plugin->update_risk_summary = &postgres_update_risk_summary;
+  plugin->insert_risk_summary = &postgres_insert_risk_summary;
+
+  plugin->select_historic_denom_revenue = &postgres_select_historic_denom_revenue;
+  plugin->insert_historic_denom_revenue = &postgres_insert_historic_denom_revenue;
+
+  plugin->select_historic_losses = &postgres_select_historic_losses;
+  plugin->insert_historic_losses = &postgres_insert_historic_losses;
+
+  plugin->select_historic_reserve_revenue = &postgres_select_historic_reserve_revenue;
+  plugin->insert_historic_reserve_revenue = &postgres_insert_historic_reserve_revenue;
+
+  plugin->get_predicted_balance = &postgres_get_predicted_balance;
+  plugin->update_predicted_result = &postgres_update_predicted_result;
+  plugin->insert_predicted_result = &postgres_insert_predicted_result;
 
   return plugin;
 }
diff --git a/src/auditordb/test_auditordb.c b/src/auditordb/test_auditordb.c
index 673ab47bb..93c279384 100644
--- a/src/auditordb/test_auditordb.c
+++ b/src/auditordb/test_auditordb.c
@@ -16,7 +16,7 @@
 /**
  * @file auditordb/test_auditordb.c
  * @brief test cases for DB interaction functions
- * @author Gabor Toth
+ * @author Gabor X Toth
  */
 #include "platform.h"
 #include "taler_auditordb_lib.h"
@@ -32,10 +32,10 @@ static int result = -1;
  * Report line of error if @a cond is true, and jump to label "drop".
  */
 #define FAILIF(cond)                              \
-  do {                                          \
-    if (!(cond)){ break;}                      \
-    GNUNET_break (0);                           \
-    /*goto drop;*/                              \
+    do {                                          \
+        if (!(cond)){ break;}                     \
+        GNUNET_break (0);                         \
+        goto drop;                                \
   } while (0)
 
 
@@ -199,6 +199,77 @@ run (void *cls)
                                             &issue));
 
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Test: insert_auditor_progress\n");
+
+  uint64_t
+      last_reserve_in_serial_id = 1234,
+      last_reserve_out_serial_id = 5678,
+      last_deposit_serial_id = 123,
+      last_melt_serial_id = 456,
+      last_refund_serial_id = 789,
+      last_prewire_serial_id = 555,
+
+      last_reserve_in_serial_id2 = 0,
+      last_reserve_out_serial_id2 = 0,
+      last_deposit_serial_id2 = 0,
+      last_melt_serial_id2 = 0,
+      last_refund_serial_id2 = 0,
+      last_prewire_serial_id2 = 0;
+
+  FAILIF (GNUNET_OK !=
+          plugin->insert_auditor_progress (plugin->cls,
+                                           session,
+                                           &master_pub,
+                                           last_reserve_in_serial_id,
+                                           last_reserve_out_serial_id,
+                                           last_deposit_serial_id,
+                                           last_melt_serial_id,
+                                           last_refund_serial_id,
+                                           last_prewire_serial_id));
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Test: update_auditor_progress\n");
+
+  last_reserve_in_serial_id++;
+  last_reserve_out_serial_id++;
+  last_deposit_serial_id2++;
+  last_melt_serial_id2++;
+  last_refund_serial_id2++;
+  last_prewire_serial_id2++;
+
+  FAILIF (GNUNET_OK !=
+          plugin->update_auditor_progress (plugin->cls,
+                                           session,
+                                           &master_pub,
+                                           last_reserve_in_serial_id,
+                                           last_reserve_out_serial_id,
+                                           last_deposit_serial_id,
+                                           last_melt_serial_id,
+                                           last_refund_serial_id,
+                                           last_prewire_serial_id));
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Test: get_auditor_progress\n");
+
+  FAILIF (GNUNET_OK !=
+          plugin->get_auditor_progress (plugin->cls,
+                                        session,
+                                        &master_pub,
+                                        &last_reserve_in_serial_id2,
+                                        &last_reserve_out_serial_id2,
+                                        &last_deposit_serial_id2,
+                                        &last_melt_serial_id2,
+                                        &last_refund_serial_id2,
+                                        &last_prewire_serial_id2));
+
+  FAILIF (last_reserve_in_serial_id2 != last_reserve_in_serial_id
+          || last_reserve_out_serial_id2 != last_reserve_out_serial_id
+          || last_deposit_serial_id2 != last_deposit_serial_id
+          || last_melt_serial_id2 != last_melt_serial_id
+          || last_refund_serial_id2 != last_refund_serial_id
+          || last_prewire_serial_id2 != last_prewire_serial_id);
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "Test: insert_reserve_info\n");
 
   struct TALER_Amount reserve_balance, withdraw_fee_balance;
@@ -211,12 +282,6 @@ run (void *cls)
                  TALER_string_to_amount (CURRENCY ":23.456789",
                                          &withdraw_fee_balance));
 
-  uint64_t
-      last_reserve_in_serial_id = 1234,
-      last_reserve_out_serial_id = 5678,
-      last_reserve_in_serial_id2 = 0,
-      last_reserve_out_serial_id2 =0;
-
   FAILIF (GNUNET_OK !=
           plugin->insert_reserve_info (plugin->cls,
                                        session,
@@ -320,15 +385,6 @@ run (void *cls)
                  TALER_string_to_amount (CURRENCY ":45.678901",
                                          &refund_fee_balance));
 
-  uint64_t
-      last_deposit_serial_id = 123,
-      last_melt_serial_id = 456,
-      last_refund_serial_id = 789,
-
-      last_deposit_serial_id2 = 0,
-      last_melt_serial_id2 = 0,
-      last_refund_serial_id2 =0;
-
   FAILIF (GNUNET_OK !=
           plugin->insert_denomination_balance (plugin->cls,
                                                session,
diff --git a/src/include/taler_auditordb_plugin.h b/src/include/taler_auditordb_plugin.h
index a04abca9d..c27295a08 100644
--- a/src/include/taler_auditordb_plugin.h
+++ b/src/include/taler_auditordb_plugin.h
@@ -253,6 +253,84 @@ struct TALER_AUDITORDB_Plugin
 
 
   /**
+   * Insert information about the auditor's progress with an exchange's
+   * data.
+   *
+   * @param cls the @e cls of this struct with the plugin-specific state
+   * @param session connection to use
+   * @param master_pub master key of the exchange
+   * @param last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
+   * @param last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
+   * @param last_deposit_serial_id serial ID of the last deposit the auditor processed
+   * @param last_melt_serial_id serial ID of the last refresh the auditor processed
+   * @param last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
+   * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+   */
+  int
+  (*insert_auditor_progress)(void *cls,
+                             struct TALER_AUDITORDB_Session *session,
+                             const struct TALER_MasterPublicKeyP *master_pub,
+                             uint64_t last_reserve_in_serial_id,
+                             uint64_t last_reserve_out_serial_id,
+                             uint64_t last_deposit_serial_id,
+                             uint64_t last_melt_serial_id,
+                             uint64_t last_refund_serial_id,
+                             uint64_t last_prewire_serial_id);
+
+
+  /**
+   * Update information about the progress of the auditor.  There
+   * must be an existing record for the exchange.
+   *
+   * @param cls the @e cls of this struct with the plugin-specific state
+   * @param session connection to use
+   * @param master_pub master key of the exchange
+   * @param last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
+   * @param last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
+   * @param last_deposit_serial_id serial ID of the last deposit the auditor processed
+   * @param last_melt_serial_id serial ID of the last refresh the auditor processed
+   * @param last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
+   * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+   */
+  int
+  (*update_auditor_progress)(void *cls,
+                             struct TALER_AUDITORDB_Session *session,
+                             const struct TALER_MasterPublicKeyP *master_pub,
+                             uint64_t last_reserve_in_serial_id,
+                             uint64_t last_reserve_out_serial_id,
+                             uint64_t last_deposit_serial_id,
+                             uint64_t last_melt_serial_id,
+                             uint64_t last_refund_serial_id,
+                             uint64_t last_prewire_serial_id);
+
+
+  /**
+   * Get information about the progress of the auditor.
+   *
+   * @param cls the @e cls of this struct with the plugin-specific state
+   * @param session connection to use
+   * @param master_pub master key of the exchange
+   * @param[out] last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
+   * @param[out] last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
+   * @param[out] last_deposit_serial_id serial ID of the last deposit the auditor processed
+   * @param[out] last_melt_serial_id serial ID of the last refresh the auditor processed
+   * @param[out] last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
+   * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure;
+   *         #GNUNET_NO if we have no records for the @a master_pub
+   */
+  int
+  (*get_auditor_progress)(void *cls,
+                          struct TALER_AUDITORDB_Session *session,
+                          const struct TALER_MasterPublicKeyP *master_pub,
+                          uint64_t *last_reserve_in_serial_id,
+                          uint64_t *last_reserve_out_serial_id,
+                          uint64_t *last_deposit_serial_id,
+                          uint64_t *last_melt_serial_id,
+                          uint64_t *last_refund_serial_id,
+                          uint64_t *last_prewire_serial_id);
+
+
+  /**
    * Insert information about a reserve.  There must not be an
    * existing record for the reserve.
    *
@@ -806,86 +884,6 @@ struct TALER_AUDITORDB_Plugin
                            struct TALER_Amount *balance);
 
 
-
-
-  /**
-   * Insert information about the auditor's progress with an exchange's
-   * data.
-   *
-   * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
-   * @param master_pub master key of the exchange
-   * @param last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
-   * @param last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
-   * @param last_deposit_serial_id serial ID of the last deposit the auditor processed
-   * @param last_melt_serial_id serial ID of the last refresh the auditor processed
-   * @param last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
-   * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
-   */
-  int
-  (*insert_auditor_progress)(void *cls,
-                             struct TALER_AUDITORDB_Session *session,
-                             const struct TALER_MasterPublicKeyP *master_pub,
-                             uint64_t last_reserve_in_serial_id,
-                             uint64_t last_reserve_out_serial_id,
-                             uint64_t last_deposit_serial_id,
-                             uint64_t last_melt_serial_id,
-                             uint64_t last_refund_serial_id,
-                             uint64_t last_prewire_serial_id);
-
-
-  /**
-   * Update information about the progress of the auditor.  There
-   * must be an existing record for the exchange.
-   *
-   * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
-   * @param master_pub master key of the exchange
-   * @param last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
-   * @param last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
-   * @param last_deposit_serial_id serial ID of the last deposit the auditor processed
-   * @param last_melt_serial_id serial ID of the last refresh the auditor processed
-   * @param last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
-   * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
-   */
-  int
-  (*update_auditor_progress)(void *cls,
-                             struct TALER_AUDITORDB_Session *session,
-                             const struct TALER_MasterPublicKeyP *master_pub,
-                             uint64_t last_reserve_in_serial_id,
-                             uint64_t last_reserve_out_serial_id,
-                             uint64_t last_deposit_serial_id,
-                             uint64_t last_melt_serial_id,
-                             uint64_t last_refund_serial_id,
-                             uint64_t last_prewire_serial_id);
-
-
-  /**
-   * Get an exchange's predicted balance.
-   *
-   * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
-   * @param master_pub master key of the exchange
-   * @param[out] last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
-   * @param[out] last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
-   * @param[out] last_deposit_serial_id serial ID of the last deposit the auditor processed
-   * @param[out] last_melt_serial_id serial ID of the last refresh the auditor processed
-   * @param[out] last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
-   * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure;
-   *         #GNUNET_NO if we have no records for the @a master_pub
-   */
-  int
-  (*get_auditor_progress)(void *cls,
-                          struct TALER_AUDITORDB_Session *session,
-                          const struct TALER_MasterPublicKeyP *master_pub,
-                          uint64_t *last_reserve_in_serial_id,
-                          uint64_t *last_reserve_out_serial_id,
-                          uint64_t *last_deposit_serial_id,
-                          uint64_t *last_melt_serial_id,
-                          uint64_t *last_refund_serial_id,
-                          uint64_t *last_prewire_serial_id);
-
-
 };